package chatservice;
import java.util.*;
import pojo.*;
public interface IRoomService {
	
	public Vector<String> getAllRooms();
	public int createRoom(String username,String roomname);
	public Vector<String> selectRoom(String username,String roomname);
	public Vector<String>  getUsersByRoomId(int roomid);
	public Vector<String>  getUsersByRoomName(String roomname);
	public Vector<String>  changeRoom(String username,String roomname);           
}
